Refer to the chemical symbols above to answer the following questions: _____ Which of the above elements has the largest atomic weight? _____ Which of the above elements has the largest atomic number? _____ Which of the above elements has the lowest boiling point? _____ Which of the above elements has the lowest melting point? _____ Which of the above elements has the highest density? _____ Which of the above elements has the least number of electrons? _____ Which of the above elements has the least number of protons? _____ Which of the above elements represents chlorine? _____ Which of the above elements represents sodium? _____ Which of the above elements represents hydrogen?